Zinc
Symptoms
White bud: pale white bands on young leaves, stunted plants.
Correction
Zinc sulphate in the soil or chelated zinc foliar spray.
Field Crops · Zea mays
Maize fertilizer and nutrition guide
High nitrogen demand in splits, plus zinc and potassium for well-filled cobs.
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About Maize nutrition
Maize is a high-yielding cereal grown in kharif, rabi and spring seasons across India. It needs a lot of nitrogen, applied in splits up to tasseling, and zinc deficiency is common, especially in alkaline and calcareous soils.
- Climate
- Warm climate, about 21-30 °C; sensitive to waterlogging and frost.
- Soil
- Well-drained loam to sandy loam, pH around 5.5-7.5.
Stage-wise nutrient management for Maize
What the crop needs most at each growth stage.
Sowing & establishment
Phosphorus, potassium and zinc as a basal dose with some nitrogen.
Knee-high stage
Nitrogen top dressing for rapid vegetative growth.
Tasseling & silking
Final nitrogen split with potassium for pollination and cob formation.
Grain filling
Potassium for grain weight and stalk strength.
Common nutrient deficiencies in Maize
How to recognise them in the field and how they are usually corrected.
Nitrogen
Symptoms
V-shaped yellowing from the tip along the midrib of older leaves.
Correction
Split nitrogen top dressings up to tasseling.
Potassium
Symptoms
Yellow to brown leaf edges on older leaves; weak stalks.
Correction
Potassium in the basal dose.
More field crops guides
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Exact doses depend on your soil test, variety and irrigation. Tell us your crop stage, area and location and we will recommend the right products and quantities.
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